Text analytics has been done using different libraries of NLP like NLTK, Spacy and TextBlob.
If you want to learn more about Spacy Library.The link is being given below. https://spacy.io/usage/spacy-101
There was one more thing which helped me a lot to understand about Spacy Library.The link is being given below. https://realpython.com/natural-language-processing-spacy-python/
If you want to learn more about textblob.The link is being given below. https://textblob.readthedocs.io/en/dev/